AMD R-Series RX-421ND quad-core 2.1 GHz processor, Drive Bay : 4 x 2.5-inch or 3.5-inch, System Memory : 4 GB SO-DIMM DDR4 (2 x 2 GB), 2 x PCIe Gen 3 (x4), 4 x Gigabit Ethernet Port (RJ45), 4 x USB 3.0 port, 250W PSU, Tower